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DATAMP Patents by Date for January 1820
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
4---X3,160-[datamp] 
10---X3,161-[datamp] 
14---X3,163-[datamp] 
15---X3,164-[datamp] 
18---X3,165-[datamp] 
22---X3,167-[datamp] 
24---X3,168-[datamp] 
28---X3,169-[datamp] 
29---X3,171-[datamp]